diff --git a/pkgs/development/python-modules/instructor/default.nix b/pkgs/development/python-modules/instructor/default.nix
index 9101ae571f64..da9f07b52970 100644
--- a/pkgs/development/python-modules/instructor/default.nix
+++ b/pkgs/development/python-modules/instructor/default.nix
@@ -86,6 +86,9 @@ buildPythonPackage rec {
     # Checks magic values and this fails on Python 3.13
     "test_raw_base64_autodetect_jpeg"
     "test_raw_base64_autodetect_png"
+
+    # Performance benchmarks that sometimes fail when running many parallel builds
+    "test_extract_system_messages_benchmark"
   ];
 
   disabledTestPaths = [